Using The Timer - ADE TD 1902 Operating Manual

3. Set the minute by pressing the S (forward) or
S/S (reverse) key.
4. Press the M key; the time setting is
complete.
Selecting the time format
− Hold down the S key until "12 H" or "24 H"
appears on the display.
In the 12-hour format, afternoon hours are
indicated as "PM".

Using the timer

Starting the preset countdown
For a short-term measurement, start one of the
three preset countdowns. You have to choose
among one, three and five minutes.
1. Turn the timer so that the desired time
period points upwards.
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